September weather forecastSunomiya, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Sunomiya, Japan, with an average temperature ranging between max 25.7°C (78.3°F) and min 23.2°C (73.8°F).Temperature
In September, Sunomiya's weather conditions record an average high-temperature of a still moderately hot 25.7°C (78.3°F), demonstrating little divergence from the preceding month. A modest dip in temperatures to an average of 23.2°C (73.8°F) is observed throughout Sunomiya's September nights.Humidity
In September, the average relative humidity in Sunomiya is 79%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 157.4 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Sunomiya.Daylight
In Sunomiya, the average length of the day in September is 12h and 25min.On the first day of September in Sunomiya, Japan, sunrise is at 05:13 and sunset at 18:07. On the last day of the month, sunrise is at 05:34 and sunset at 17:26 JST.
Sunshine
In Sunomiya, the average sunshine in September is 7.8h.UV index
In Sunomiya, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Ward off overexposure. Defence against solar harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sunomiya, Japan
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is August (25.8°C).
The coldest months (with the lowest average low temperature) are January and February (7.2°C).
Average pressure in September
Sunomiya, Japan
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Sunomiya, Japan
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is March (25.7km/h).
The calmest month (with the lowest average wind speed) is June (18.8km/h).
Average humidity in September
Sunomiya, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (62%).
Average rainfall in September
Sunomiya, Japan
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in September
Sunomiya, Japan
- Average rainfall days in September: 15.5 days
The months with the highest number of rainy days are September and October (15.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Sunomiya, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (1mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Sunomiya, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sunomiya, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Sunomiya, Japan
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Sunomiya, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Sunomiya, Japan
- Average cloud cover in September: 40
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sunomiya, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
